Ed,
Is this an older K2, or has it not been used in some time? If so, it is
probably the pushbutton.
The MENU button normally does not get a lot of use, so it is one of the
ones that show a problem.
It can often be restored by tapping the button many many times, although
replacing the pushbutton may be quicker and easier. The wiping action
of the switch contacts will remove any oxidation that has formed.
If you do replace the pushbutton, you will find the leads are difficult
to unsolder - I even have trouble removing them intact with my Hakko
808. Cut the leads close to the switch body with small flush cutters
and remove the remaining leads one at a time.
Clean up with solder wick and if solder remains in the hole, push it out
with a wooden toothpick.
If you saved the "Switch Spacing Tool" from your K2 build use it to
space the switch body above the board. You can substitute a narrow
length of PC board material.
73,
Don W3FPR
On 6/7/2017 2:14 PM, Ed - ad7gr wrote:
> When I tap the [MENU] button on my K2 nothing happens, the menu is not
> accessed and the display continues to show the frequency. All other
> buttons work correctly. Tapping [MENU] brought up the menu this
> morning but not now. Just before this issue I had pressed [TUNE]
> thinking that I still had the ATU enabled, but it was not and I had to
> turn the rig off to get the k2 to return to RX.
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